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heat of reaction for - c6 h12 06 6 o2 g 6 co2 g 6 h20 g at constant pressure - 651 kcal at 17 0c calculate
a student prepared a solution of sodium chloride nacl in distilled water by disolving 105g of nacl in about 50ml of
a slice of banana weighing 2502 g was burnt in a bomb calorimeter producing a temperature rise of 305 oc the
why phenyl hydrazine react as reducing agent in the reaction of phenylhydrazine with
assume that for a domestic hot water supply 150 kg of water per day must be heated from 10 oc to 65 oc and gaseous fuel
a person inhales 640 g of o2 per day if all the o2 is used to convert sugar into co2 and h2o how much sucrose
1 in 2009 a team from northwestern university and western washington university reported the preparation of a new
why ve pf gives nuclear instability where as -ve pf gives nuclear stability
an effusion cell has a circular hole of diameter 250 mm if the molar mass of the solid in the cell is 260 g mol-1 and
for this picnic you need to feed at least 500 people if you want to feed everyone but still have equal numbers of buns
cutting stock roll problemin the paper industry given mother rolls of fixed width mother roll a set of orders for
question 2which polysaccharide does not have a repeating unit of glucoseamylopectincellulosechitinamylosequestion 2in
cousin throckmorton holds one end of the clothesline taut and wiggles it up and down sinusoidally with frequency 200 hz
rita divides avogadros number approximately 6022 mc002-1jpg 1023 by 20550 to calculate the number of atoms in a
the isomerization of cyclopropane follows first-order kinetics the rate constant at 700 k is 620 times 10-4min-1 and
please give written solutions and scanned answer to the questionsa proton with an initial speed of 600000 ms is brought
write a detailed mechanism for the reaction of ethyl bromide with iodide ion in acetone draw the transition state for
an athlete decided to embed a lucky loonie in the ice before his hockey game the mass of the mostly nickel coin is 627
a point source gaussian plume model for a power plant uses 50 m as the effective stack height see figure below the
biofuels are an alternative source for energy and fuel and can come from many sources including algae peanuts and even
consider a the titration of 20 m sulfurous acidh2so3 with 20 m naoh what is the ph at the first equivalence point of
a 1000-ml sample of 01000 m kh2po4was titrated with 01000 m hcl kafor phosphoric acid h3po4 ka1 750x10-3 ka2620x10-8
you have a piece of zinc metal and copper metal additionally you have a salt bridge and 10 m solutions of zinc nitrate
how many grams of iron can be produced plated out by applying a 365 amp current for 870 minutes to a solution
gold arranges in a face centered manner and has an edge length of 488 pm what is the atomic radius of a gold